User contributions
- 16:17, 31 October 2020 (diff | hist) . . (+71) . . 2379: Probability Comparisons (→Trivia)
- 04:23, 31 October 2020 (diff | hist) . . (+127) . . 2379: Probability Comparisons (→Explanation)
- 19:41, 4 November 2015 (diff | hist) . . (-2) . . 1599: Water Delivery (→Explanation: Fix typo: Amazone->Amazon)